Why did they go to the heavier canopy?

[II./JG27_Rich]

I always wondered about this because when you look at an F canopy the visibility isn't bad at all there is no middle bar on the side and no middle bar over your head, Was it coming apart in mid air at high speed?

 

https://www.ww2incolor.com/gallery/german-air-force/54194/captured-109 info on the 109.

German Air Force

Captured 109

FB brummbar

Messerschmitt Bf 109F-2/Trop. werk. nr 10074 yellow "5" of 6./JG 27 captured by Australian troops on 14 August 1942 after belly landing near El-Alamein. Pilot Lt Gerhard MIX was taken P.O.W. 

Edited October 31, 2024 by II./JG27_Rich

[Snowdon]

didnt they go for thicker glass panels?